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Old 4th Jan 2007, 13:32
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mderdem
 
Join Date: Aug 2005
Location: Germany
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Question Pitot-Heater
Hello,

I am trying to build a simulation software which simulates the airspeed indicator. The documents I have didn't help much about the pitot-heater though.

Could anybody tell me what the airspeed indicator is supposed to show when the pitot-heater is not on ?

I understand that the pitot-heater is only needed on cold environments. Is there a regulation or a rule of thumb which tells how cold it should be to use the pitot-heater ?

Thanks a lot in advance,

MDE
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